From 9c83c8dba9280949eda22a234d7af802ad9184a0 Mon Sep 17 00:00:00 2001 From: YAMAMOTO Takashi Date: Fri, 3 Oct 2014 14:20:48 +0900 Subject: [PATCH] oxm_fields: Add a comment Signed-off-by: YAMAMOTO Takashi Signed-off-by: FUJITA Tomonori --- ryu/ofproto/oxm_fields.py | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/ryu/ofproto/oxm_fields.py b/ryu/ofproto/oxm_fields.py index 1ca5f657..2e58386b 100644 --- a/ryu/ofproto/oxm_fields.py +++ b/ryu/ofproto/oxm_fields.py @@ -230,6 +230,10 @@ def parse(mod, buf, offset): offset + hdr_len) exp_hdr_len = struct.calcsize(exp_hdr_pack_str) if exp_id == ofproto_common.ONF_EXPERIMENTER_ID: + # XXX + # This block implements EXT-256 style experimenter OXM. + # However, according to blp, the extension will be rectified. + # https://www.mail-archive.com/dev%40openvswitch.org/msg37644.html onf_exp_type_pack_str = '!H' (exp_type, ) = struct.unpack_from(onf_exp_type_pack_str, buf, offset + hdr_len + exp_hdr_len)